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🐾 Protect your pup like a pro — fast, fuss-free, and foolproof!
K9 Advantix II Medium Dog is a vet-recommended, topical flea, tick, mosquito, biting fly, and lice treatment designed for dogs weighing 11-20 lbs. It kills fleas within 12 hours and provides waterproof protection after 24 hours. This fragrance-free formula repels and kills pests on contact, preventing bites and infestations without the need for a prescription.













| ASIN | B07NX5F5YB |
| Active Ingredients | Imidacloprid, Permethrin, Pyriproxyfen |
| Age Range Description | 7 weeks and older |
| Allergen Information | Allergen-Free |
| Best Sellers Rank | #53,796 in Pet Supplies ( See Top 100 in Pet Supplies ) #65 in Dog Flea Drops |
| Brand | K9 Advantix |
| Brand Name | K9 Advantix |
| Customer Reviews | 4.3 out of 5 stars 6,226 Reviews |
| Global Trade Identification Number | 00724089114921 |
| Included Components | None |
| Item Form | Topical |
| Item Type Name | Topical |
| Item Weight | 0.63 Ounces |
| Item form | Topical |
| Item volume | 1 Milliliters |
| Item weight | 0.63 Ounces |
| Manufacturer | Elanco US Inc |
| Manufacturer Part Number | 90204384 |
| Model Number | 90204384 |
| Scent | Unscented |
| Scent Name | Unscented |
| Target Species | Dog |
| UPC | 724089114921 |
| Unit Count | 1 Count |
| Volume | 1 Milliliters |
A**R
Thankfully, it works!
We have fought fleas on all fronts in our hot and muggy rural area. Frontline and the generic version- useless. Sprayed the land, treated our home, sprayed our dog with an additional temporary spray. This is the first time we've ever had such problems. Dog was constantly scratching, visible fleas and flea dirt. Flea comb simply full of mature fleas and flea dirt. Two vet visits in which we were told the next step was a yearly and expensive treatment. Thankfully, found this on Google as vet recommended. Bought a dose here. It arrived yesterday and we immediately applied as directed to 15 lb dog. He was fine upon application. No major problems afterwards but did began to claw himself aggressively and nip at his paws. Found those relatively minor results on the carton safety data and saw no reason to be overly concerned. I did give him the dose of antihistamine as prescribed by our vet. I think the fleas were 'abandoning ship'! He became drowsy within about 40 minutes settled down and slept soundly all night. No raw spots or other problems today but he looks like a newer, improved dog today. He is basically white. Today there were no visible fleas or flea dirt. Yes! So glad we found this product, all I will buy again! Great customer support because I called the # on the product box today just to check his reaction. They were great.
E**D
Would this give an allergic reaction
I just put it on my maltease and she can’t be still. It’s been 24 hours and she still walking around. Can’t be still. Do think it can be an allergic reaction?
S**E
Flea drop
Great
D**R
love
love
J**S
Helps with the fleas
This is the second time I've ordered this product. It lasts a couple of weeks and then it's time to reorder.
Trustpilot
1 month ago
2 weeks ago